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- Callistophytales abstract "The Callistophytales was an order of mainly scrambling and lianescent plants found in the wetland \"coal swamps\" of Euramerica and Cathaysia. They were characterised by having bilaterally-symmetrical, non-cupulate ovules attached to the underside of pinnules that were morphologically similar to the \"normal\" vegetative pinnules; and small compound pollen-organs, also borne on the underside of unmodified pinnules, that produced saccate pollen. They were reproductively more sophisticated than most other Palaeozoic pteridosperms, some of which they seem to have out-competed and replaced in the \"coal swamp\" vegetation during Late Pennsylvanian and Permian times.The inclusion of the Callistophytales within the Lyginopteridopsida is controversial because of the apparent sophistication of the ovules and pollen. There are nevertheless many other characters that suggest that the Callistophytales may have been derived from a more primitive lyginopterdalean-like ancestor, including the presence of a lagenostome at the apex of the nucellus, the general structure of the pollen organs, and the overall morphology of the vegetative structures.Two families have been recognised: the Callistophytaceae, known mainly from the Carboniferous floras of Euramnerica; and the Emplectopteridaceae, known mainly from the Permian floras of China and adjacent areas.".
- Callistophytales wikiPageID "27683501".
- Callistophytales wikiPageLength "2325".
- Callistophytales wikiPageOutDegree "7".
- Callistophytales wikiPageRevisionID "699177644".
- Callistophytales wikiPageWikiLink Callistophytaceae.
- Callistophytales wikiPageWikiLink Category:Prehistoric_plants.
- Callistophytales wikiPageWikiLink Cathaysia.
- Callistophytales wikiPageWikiLink Emplectopteridaceae.
- Callistophytales wikiPageWikiLink Euramerica.
- Callistophytales wikiPageWikiLink Lyginopteridopsida.
- Callistophytales wikiPageWikiLink Pteridospermatophyta.
- Callistophytales wikiPageWikiLinkText "Callistophytales".
- Callistophytales wikiPageWikiLinkText "callistophytalean".
- Callistophytales oldestFossil "Carboniferous".
- Callistophytales subdivisionRanks "Families".
- Callistophytales wikiPageUsesTemplate Template:Automatic_taxobox.
- Callistophytales wikiPageUsesTemplate Template:Linked_taxon_list.
- Callistophytales wikiPageUsesTemplate Template:Reflist.
- Callistophytales youngestFossil "Permian".
- Callistophytales subject Category:Prehistoric_plants.
- Callistophytales hypernym Order.
- Callistophytales type Eukaryote.
- Callistophytales comment "The Callistophytales was an order of mainly scrambling and lianescent plants found in the wetland \"coal swamps\" of Euramerica and Cathaysia. They were characterised by having bilaterally-symmetrical, non-cupulate ovules attached to the underside of pinnules that were morphologically similar to the \"normal\" vegetative pinnules; and small compound pollen-organs, also borne on the underside of unmodified pinnules, that produced saccate pollen.".
- Callistophytales label "Callistophytales".
- Callistophytales sameAs Q1027330.
- Callistophytales sameAs Callistophytales.
- Callistophytales sameAs m.0c3_y03.
- Callistophytales sameAs Q1027330.
- Callistophytales wasDerivedFrom Callistophytales?oldid=699177644.
- Callistophytales isPrimaryTopicOf Callistophytales.